(mathematics, uncountable) The act or process of calculating. / (mathematics, countable) The result of calculating. / (countable) Reckoning, estimate. / (countable) An expectation based on circumstances.

plural of calculation

Of, pertaining to, or employing calculation

A mechanical or electronic device that performs mathematical calculations. / (dated) A person who performs mathematical calculation / A person who calculates (in the sense of scheming).

(transitive, mathematics) To determine the value of something or the solution to something by a mathematical process.

simple past tense and past participle of calculate

Arrived at or determined by mathematical calculation; ascertained mathematically. / Carefully thought out or planned. / (of a person) Calculating; unemotional and analytical.

plural of calculator

present participle of calculate

(not comparable) Having the ability to calculate. / (especially of a person) Serving one's own interests in an unemotional, analytical manner.